010 



THE MICROSCOrE. 



fied represeutatioDS of a few of them. No. 1 is a scale of 

 the Morpho menelaus, taken from the side of the wing, of a 





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Fi&. 272. — Scales from Butterflies' unci Moths' wings. (Magnified 200 diameters.) 



1, Scale of AforjD^o Menelaus. 2, Large Scale of Polijommatus Argiolus, azure 

 blue. 3, Hipparchia Janira Argiolvs. 4, Pontia Brassica. 5, Podura 

 Pluinbea. G, Small Scale of Azure Blue. 



pale-blue colour: it measures about l-120th of an inch in 

 length, and exhibits a series of longitudinal stripes or lines, 

 between which are disposed cross-lines or striae, giving it 

 the appearance of brick- work. The microscope should be 

 enabled to make out these markings with the spaces 

 between them clear and distinct, as shown in fig. 273, 

 No. \a. 



Polyommatiis argiolus. Azure-blue, Nos. 2 and 6, are 

 large and small scales taken from the under-side of the 

 wing of this beautiful blue butterfly ; the small scale is 

 covered with a series of spots, and exhibits both longitu- 



